The Number

12665

Twelve Thousand Six Hundred and Sixty-Five

In Base 12 Duodecimal Is

73b512

The numbers with a 12 subscript use Base 12 Duodecimal notation.

For more familiar numbers: See Twelve Thousand Six Hundred and Sixty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

12662
73b212
Twelve Thousand Six Hundred and Sixty-Two in Base 12 Duodecimal
12663
73b312
Twelve Thousand Six Hundred and Sixty-Three in Base 12 Duodecimal
12664
73b412
Twelve Thousand Six Hundred and Sixty-Four in Base 12 Duodecimal
12666
73b612
Twelve Thousand Six Hundred and Sixty-Six in Base 12 Duodecimal
12667
73b712
Twelve Thousand Six Hundred and Sixty-Seven in Base 12 Duodecimal
12668
73b812
Twelve Thousand Six Hundred and Sixty-Eight in Base 12 Duodecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.2665e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000177924829b17365812

The reciprocal of 12665 in Base 12 Duodecimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 73b512 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twelve thousand six hundred and sixty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Twelve thousand six hundred and sixty-five is a composite number with 8 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number twelve thousand six hundred and sixty-five has the following 3 prime factors:

5
512
Five in Base 12 Duodecimal
17
1512
Seventeen in Base 12 Duodecimal
149
10512
One Hundred and Forty-Nine in Base 12 Duodecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

5121 · 15121 · 105121 = 73b512

Base Conversions

The number twelve thousand six hundred and sixty-five in 35 different bases